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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 400V 2.8A GBU
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：400 V
- Current - Average Rectified (Io)：2.8 A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 4 A
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Operating Temperature：-50°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, GBU
- Supplier Device Package：GBU
- Grade：-
- Qualification：-
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Overview
The GBU4G-T is a single-phase bridge rectifier manufactured by Diotec Semiconductor, designed for general-purpose power supply applications. It features a silicon P-N junction construction housed in a GBU plastic molded package with four terminals. The device supports a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current of 4 A at 25°C. It exhibits a maximum non-repetitive peak forward surge current of 150 A at 60 Hz for one half-cycle. The component operates within a junction temperature range of -55°C to +150°C and offers a typical forward voltage drop of 1.1 V at rated current.
Feature Summary
- Utilizes molded plastic technique for reliable low-cost construction
- Isolated case design suitable for printed circuit board mounting
- High surge overload rating capability for transient protection
Applications
- General purpose AC to DC conversion in power supplies
- Battery chargers requiring 400V blocking capability
- Industrial electronics control circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's latest datasheet to confirm tape-and-reel packaging versus cut-tape availability. Confirm RoHS compliance status and lead times directly with authorized distributors prior to finalizing procurement plans.
Selection Notes
Select this component when a 4A current rating and 400V reverse voltage are required in a through-hole GBU package. Ensure the application environment stays within the specified -55°C to +150°C junction temperature limits and accounts for thermal derating at higher ambient temperatures.
Part Context
This part belongs to the GBU series of single-phase bridge rectifiers from Diotec Semiconductor. The series provides various voltage ratings (e.g., GBU4A for 50V up to GBU4M for 1000V) sharing the same mechanical footprint and 4A current capacity, allowing for standardized PCB layouts across different voltage requirements.
Replacement Considerations
Compatible substitutes include the Fairchild/ON Semiconductor GBU4G and Taiwan Semiconductor GBU404G. Verify pinout compatibility and thermal characteristics before substitution.
